After analyzing Cluster techniques and N-tier architectures, the paper describes in detail the construction technologies and methods of Cluster and N-tier architecture electronic commerce systems.

本文在分析机群技术和N层软件体系结构的基础上，介绍了基于机群和N层体系结构的电子商务系统构建技术和方法。

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E-commerce systems can operate all day every day.

电子商务系统可以每天任何时候都进行工作。

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To protect their businesses, video chains are competing to develop their own video-on-demand and e-commerce systems.

BBC: Movies on the web

Cooper said he joined the fashion site because of his appetite for e-commerce (he helped develop e-commerce systems for both the NHL and NFL).

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If, say, the marketing department built a site for a band, it would have to unify multiple technology systems, including discussion forums, video players and e-commerce systems--and constantly update these hodge-podge systems with new content to regularly attract consumers.

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